640383120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2207}}^1$

素因数の和:2270

約数の個数: 240

約数和(自身を含む): 2391846912

約数和(自身を除く): 1751463792

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 48, 52, 60, 62, 65, 72, 78, 80, 90, 93, 104, 117, 120, 124, 130, 144, 155, 156, 180, 186, 195, 208, 234, 240, 248, 260, 279, 310, 312, 360, 372, 390, 403, 465, 468, 496, 520, 558, 585, 620, 624, 720, 744, 780, 806, 930, 936, 1040, 1116, 1170, 1209, 1240, 1395, 1488, 1560, 1612, 1860, 1872, 2015, 2207, 2232, 2340, 2418, 2480, 2790, 3120, 3224, 3627, 3720, 4030, 4414, 4464, 4680, 4836, 5580, 6045, 6448, 6621, 7254, 7440, 8060, 8828, 9360, 9672, 11035, 11160, 12090, 13242, 14508, 16120, 17656, 18135, 19344, 19863, 22070, 22320, 24180, 26484, 28691, 29016, 32240, 33105, 35312, 36270, 39726, 44140, 48360, 52968, 57382, 58032, 66210, 68417, 72540, 79452, 86073, 88280, 96720, 99315, 105936, 114764, 132420, 136834, 143455, 145080, 158904, 172146, 176560, 198630, 205251, 229528, 258219, 264840, 273668, 286910, 290160, 317808, 342085, 344292, 397260, 410502, 430365, 459056, 516438, 529680, 547336, 573820, 615753, 684170, 688584, 794520, 821004, 860730, 889421, 1026255, 1032876, 1094672, 1147640, 1231506, 1291095, 1368340, 1377168, 1589040, 1642008, 1721460, 1778842, 2052510, 2065752, 2295280, 2463012, 2582190, 2668263, 2736680, 3078765, 3284016, 3442920, 3557684, 4105020, 4131504, 4447105, 4926024, 5164380, 5336526, 5473360, 6157530, 6885840, 7115368, 8004789, 8210040, 8894210, 9852048, 10328760, 10673052, 12315060, 13341315, 14230736, 16009578, 16420080, 17788420, 20657520, 21346104, 24630120, 26682630, 32019156, 35576840, 40023945, 42692208, 49260240, 53365260, 64038312, 71153680, 80047890, 106730520, 128076624, 160095780, 213461040, 320191560, 640383120]

約数ペア:

[(1, 640383120), (2, 320191560), (3, 213461040), (4, 160095780), (5, 128076624), (6, 106730520), (8, 80047890), (9, 71153680), (10, 64038312), (12, 53365260), (13, 49260240), (15, 42692208), (16, 40023945), (18, 35576840), (20, 32019156), (24, 26682630), (26, 24630120), (30, 21346104), (31, 20657520), (36, 17788420), (39, 16420080), (40, 16009578), (45, 14230736), (48, 13341315), (52, 12315060), (60, 10673052), (62, 10328760), (65, 9852048), (72, 8894210), (78, 8210040), (80, 8004789), (90, 7115368), (93, 6885840), (104, 6157530), (117, 5473360), (120, 5336526), (124, 5164380), (130, 4926024), (144, 4447105), (155, 4131504), (156, 4105020), (180, 3557684), (186, 3442920), (195, 3284016), (208, 3078765), (234, 2736680), (240, 2668263), (248, 2582190), (260, 2463012), (279, 2295280), (310, 2065752), (312, 2052510), (360, 1778842), (372, 1721460), (390, 1642008), (403, 1589040), (465, 1377168), (468, 1368340), (496, 1291095), (520, 1231506), (558, 1147640), (585, 1094672), (620, 1032876), (624, 1026255), (720, 889421), (744, 860730), (780, 821004), (806, 794520), (930, 688584), (936, 684170), (1040, 615753), (1116, 573820), (1170, 547336), (1209, 529680), (1240, 516438), (1395, 459056), (1488, 430365), (1560, 410502), (1612, 397260), (1860, 344292), (1872, 342085), (2015, 317808), (2207, 290160), (2232, 286910), (2340, 273668), (2418, 264840), (2480, 258219), (2790, 229528), (3120, 205251), (3224, 198630), (3627, 176560), (3720, 172146), (4030, 158904), (4414, 145080), (4464, 143455), (4680, 136834), (4836, 132420), (5580, 114764), (6045, 105936), (6448, 99315), (6621, 96720), (7254, 88280), (7440, 86073), (8060, 79452), (8828, 72540), (9360, 68417), (9672, 66210), (11035, 58032), (11160, 57382), (12090, 52968), (13242, 48360), (14508, 44140), (16120, 39726), (17656, 36270), (18135, 35312), (19344, 33105), (19863, 32240), (22070, 29016), (22320, 28691), (24180, 26484)]